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US 4,425,652 AGranted
Laser system using organic dye amplifier
AssigneeUniversity of Rochester
InventorGerard Mourou
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AssigneeUniversity of Rochester
InventorGerard Mourou
Estimating the term…
A laser system generates high energy ultra-short pulses using a dye cell amplifier driven by ultra-short pulses from a dye laser and pumped by pump pulses from a laser amplifier. The laser amplifier and dye laser are synchronously driven and pumped by the same laser such that the signal pulse from the dye laser arrives at the dye cell amplifier immediately upon the completion of population inversion therein in response to the pump pulse. Efficient high-power, ultra-short laser pulses are obtained from the dye amplifier, since amplified spontaneous emission (ASE) is avoided. Doubler crystals are used to provide the pump pulses to the dye laser from the common driver laser and to provide pump pulses from the laser amplifier to the dye cell amplifier at the proper wave length for the materials used therein. This system is tunable by selecting appropriate dyes for the dye laser and dye cell amplifier and/or tuning elements within the dye laser cavity.
A laser system for generating high energy, ultra short laser pulses which system comprises:
A laser amplifier system comprising:
A laser system for the generation of sub-picosecond pulses which comprises a mode locked CW laser for producing a train of pulses of duration in the picosecond range, a non-linear frequency changing crystal, a dye laser, said crystal changing the frequency of said pulses from said CW mode locked laser and applying said frequency changed pulses to said dye laser to pump said dye laser whereby said dye laser produces said train of said sub-picosecond pulses.
Dependencies are inferred from the claim text.